RAPA ISLAND SEA LEVEL PRESS (1000 MB SUBTRACTED) ORIGINAL DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1951 15.1 14.1 13.0 15.0 11.9 14.9 15.2 14.4 16.9 18.4 18.2 17.0 1952 12.8 15.3 17.1 15.9 15.9 19.6 18.0 16.7 15.0 18.9 16.9 11.8 1953 16.8 13.6 14.9 15.5 14.2 16.8 17.5 14.4 20.3 20.7 20.9 15.8 1954 15.8 17.1 14.5 15.2 18.9 18.2 21.5 19.2 21.6 21.8 17.7 19.7 1955 15.8 15.9 17.5 15.6 19.0 18.6 20.0 19.6 21.7 19.7 16.5 18.8 1956 15.2 18.9 17.7 17.1 18.6 17.7 15.7 15.6 16.9 21.3 15.4 14.1 1957 13.5 14.5 14.3 17.0 12.3 16.6 15.1 16.1 17.0 17.3 15.9 17.0 1958 13.2 16.4 17.1 15.5 16.6 15.3 13.0 19.6 16.2 16.3 16.4 16.5 1959 14.6 14.1 16.6 15.0 12.2 17.5 17.3 18.4 19.0 18.7 17.8 14.7 1960 15.3 14.0 14.7 16.3 17.9 14.6 19.7 19.2 20.7 19.7 16.8 15.4 1961 15.7 18.2 15.4 17.5 12.9 17.2 16.7 18.0 20.8 18.5 19.9 17.2 1962 18.7 13.9 16.0 19.1 17.5 16.4 18.5 19.8 18.8 20.2 14.0 16.0 1963 17.3 18.6 15.6 15.2 16.2 15.9 15.9 15.4 16.0 15.9 18.1 14.9 1964 15.9 14.8 19.3 17.3 15.4 19.0 17.0 21.3 18.5 17.2 15.3 14.0 1965 11.5 14.2 13.3 14.9 17.3 16.1 12.4 17.3 17.3 19.6 14.9 18.2 1966 14.1 18.5 15.8 14.3 13.7 19.4 15.8 18.2 16.7 18.2 15.9 15.0 1967 15.1 19.1 17.6 16.6 14.9 19.7 17.9 21.6 20.4 19.2 17.4 12.4 1968 13.4 14.8 16.1 15.4 17.6 17.4 20.6 14.2 16.6 16.7 15.2 13.6 1969 10.5 13.7 15.4 16.0 12.9 18.1 15.8 19.9 18.7 17.3 16.9 14.9 1970 16.0 12.9 16.6 16.1 18.7 19.5 17.7 19.3 21.5 19.8 17.2 18.1 1971 13.2 17.4 16.5 18.6 14.3 18.7 14.4 21.6 21.2 20.0 13.4 13.2 1972 12.5 16.1 14.6 16.3 13.3 13.0 12.9 16.6 18.6 19.5 20.3 14.4 1973 18.6 15.4 16.3 14.6 15.1 20.4 18.0 23.0 21.9 22.5 17.5 18.0 1974 19.7 17.9 17.5 15.6 17.8 16.5 19.4 18.0 21.0 19.2 15.4 12.1 1975 12.6 15.4 17.3 15.8 15.7 15.7 20.7 21.7 23.2 22.3 16.9 17.8 1976 16.6 18.5 15.3 15.2 15.8 17.2 12.9 13.8 12.0 15.9 16.8 13.7 1977 12.4 16.0 13.2 15.9 16.1 14.0 15.5 15.1 14.0 17.2 16.1 15.2 1978 16.2 11.6 17.3 16.0 18.3 14.9 14.7 18.2 19.2 14.1 19.1 16.6 1979 13.5 16.8 14.2 13.7 16.7 17.7 13.9 16.1 19.3 19.5 15.4 16.0 1980 15.8 15.2 13.4 13.7 16.8 14.4 14.5 19.2 19.0 19.5 17.3 13.2 1981 15.7 16.2 13.2 15.4 14.8 19.6 17.0 16.5 17.7 16.7 17.3 16.8 1982 16.1 15.3 15.7 13.4 15.4 11.9 15.6 14.7 16.0 14.3 15.8 13.5 1983 11.5 13.7 16.3 17.2 20.4 14.7 19.3 18.1 21.2 20.4 18.8 14.4 1984 14.2 13.9 14.8 15.4 16.9 15.5 17.5 17.3 16.2 15.6 17.5 15.9 1985 14.4 17.4 13.4 14.3 13.2 13.4 17.0 19.4 16.3 17.3 15.6 12.9 1986 15.1 12.1 15.6 15.9 15.4 14.6 15.9 15.1 15.3 17.9 15.0 14.1 1987 14.2 11.6 12.9 15.4 16.6 15.6 12.2 17.6 14.1 19.2 15.9 15.1 1988 17.3 14.6 13.4 15.6 19.5 17.6 19.0 20.8 22.6 19.3 17.1 15.7 1989 16.2 17.5 15.8 16.4 15.0 19.0 15.7 13.7 19.5 19.4 17.5 13.8 1990 15.7 13.6 14.7 15.0 20.7 14.3 15.9 14.2 16.6 18.2 15.6 15.8 1991 15.4 15.2 11.4 14.4 12.1 15.7 16.8 19.3 14.7 14.9 17.8 13.5 1992 16.1 16.9 13.3 14.8 18.1 13.3 18.5 17.7 15.9 15.9 14.3 13.5 1993 14.7 11.3 15.1 14.1 16.3 20.8 17.8 17.4 18.5 16.9 17.7 15.2 1994 14.5 15.8 13.9 14.1 16.0 16.1 16.4 18.0 14.8 17.2 16.7 14.6 1995 14.3 15.1 15.2 15.9 18.3 15.2 17.3 18.9 19.2 18.0 18.1 12.8 RAPA ISLAND SEA LEVEL PRESS ANOMALY YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1951 0.2 -1.7 -2.8 -0.9 -3.9 -2.1 -1.4 -3.6 -1.8 -0.4 1.4 1.5 1952 -2.1 -0.5 1.3 0.0 0.1 2.6 1.4 -1.3 -3.7 0.1 0.1 -3.7 1953 1.9 -2.2 -0.9 -0.4 -1.6 -0.2 0.9 -3.6 1.6 1.9 4.1 0.3 1954 0.9 1.3 -1.3 -0.7 3.1 1.2 4.9 1.2 2.9 3.0 0.9 4.2 1955 0.9 0.1 1.7 -0.3 3.2 1.6 3.4 1.5 3.0 0.9 -0.3 3.3 1956 0.3 3.1 1.9 1.2 2.8 0.7 -0.9 -2.5 -1.8 2.5 -1.4 -1.4 1957 -1.4 -1.3 -1.5 1.1 -3.5 -0.4 -1.5 -2.0 -1.7 -1.5 -0.9 1.5 1958 -1.7 0.6 1.3 -0.4 0.8 -1.7 -3.6 1.5 -2.5 -2.5 -0.4 1.0 1959 -0.3 -1.7 0.8 -0.9 -3.6 0.5 0.7 0.4 0.3 -0.1 0.9 -0.8 1960 0.4 -1.8 -1.1 0.4 2.1 -2.4 3.1 1.2 2.0 0.9 -0.1 -0.1 1961 0.8 2.4 -0.4 1.6 -2.9 0.2 0.1 0.0 2.1 -0.3 3.1 1.7 1962 3.8 -1.9 0.2 3.2 1.7 -0.6 1.9 1.7 0.1 1.4 -2.8 0.5 1963 2.4 2.8 -0.2 -0.7 0.4 -1.1 -0.7 -2.6 -2.7 -2.9 1.2 -0.6 1964 1.0 -1.0 3.5 1.4 -0.4 2.0 0.4 3.2 -0.2 -1.6 -1.6 -1.5 1965 -3.4 -1.6 -2.5 -1.0 1.5 -0.9 -4.2 -0.8 -1.4 0.8 -1.9 2.7 1966 -0.8 2.7 0.0 -1.6 -2.1 2.4 -0.8 0.2 -2.0 -0.6 -0.9 -0.5 1967 0.2 3.3 1.8 0.7 -0.9 2.7 1.3 3.5 1.7 0.4 0.6 -3.1 1968 -1.5 -1.0 0.3 -0.5 1.8 0.4 4.0 -3.8 -2.1 -2.1 -1.6 -1.9 1969 -4.4 -2.1 -0.4 0.1 -2.9 1.1 -0.8 1.9 0.0 -1.5 0.1 -0.6 1970 1.1 -2.9 0.8 0.2 2.9 2.5 1.1 1.2 2.8 1.0 0.4 2.6 1971 -1.7 1.6 0.7 2.7 -1.5 1.7 -2.2 3.5 2.5 1.2 -3.4 -2.3 1972 -2.4 0.3 -1.2 0.4 -2.5 -4.0 -3.7 -1.5 -0.1 0.7 3.4 -1.1 1973 3.7 -0.4 0.5 -1.3 -0.7 3.4 1.4 5.0 3.2 3.7 0.7 2.5 1974 4.8 2.1 1.7 -0.3 2.0 -0.5 2.8 0.0 2.3 0.4 -1.4 -3.4 1975 -2.3 -0.4 1.5 -0.1 -0.1 -1.3 4.1 3.7 4.5 3.5 0.1 2.3 1976 1.7 2.7 -0.5 -0.7 0.0 0.2 -3.7 -4.3 -6.7 -2.9 -0.1 -1.8 1977 -2.5 0.2 -2.6 0.0 0.3 -3.0 -1.1 -3.0 -4.7 -1.6 -0.8 -0.3 1978 1.3 -4.2 1.5 0.1 2.5 -2.1 -1.9 0.2 0.5 -4.7 2.2 1.1 1979 -1.4 1.0 -1.6 -2.2 0.9 0.7 -2.7 -2.0 0.6 0.7 -1.4 0.5 1980 0.9 -0.6 -2.4 -2.2 1.0 -2.6 -2.1 1.2 0.3 0.7 0.4 -2.3 1981 0.8 0.4 -2.6 -0.5 -1.0 2.6 0.4 -1.5 -1.0 -2.1 0.4 1.3 1982 1.2 -0.5 -0.1 -2.5 -0.4 -5.1 -1.0 -3.3 -2.7 -4.5 -1.1 -2.0 1983 -3.4 -2.1 0.5 1.3 4.6 -2.3 2.7 0.0 2.5 1.6 1.9 -1.1 1984 -0.7 -1.9 -1.0 -0.5 1.1 -1.5 0.9 -0.8 -2.5 -3.2 0.7 0.4 1985 -0.5 1.6 -2.4 -1.6 -2.6 -3.6 0.4 1.4 -2.4 -1.5 -1.3 -2.6 1986 0.2 -3.7 -0.2 0.0 -0.4 -2.4 -0.7 -3.0 -3.4 -0.9 -1.8 -1.4 1987 -0.7 -4.2 -2.9 -0.5 0.8 -1.4 -4.4 -0.5 -4.6 0.4 -0.9 -0.4 1988 2.4 -1.2 -2.4 -0.3 3.7 0.6 2.4 2.7 3.9 0.5 0.2 0.2 1989 1.3 1.7 0.0 0.5 -0.8 2.0 -0.9 -4.3 0.8 0.6 0.7 -1.7 1990 0.8 -2.2 -1.1 -0.9 4.9 -2.7 -0.7 -3.8 -2.1 -0.6 -1.3 0.3 1991 0.5 -0.6 -4.4 -1.5 -3.7 -1.3 0.2 1.2 -4.0 -3.9 0.9 -2.0 1992 1.2 1.1 -2.5 -1.1 2.3 -3.7 1.9 -0.3 -2.8 -2.9 -2.6 -2.0 1993 -0.2 -4.5 -0.7 -1.8 0.5 3.8 1.2 -0.6 -0.2 -1.9 0.9 -0.3 1994 -0.4 0.0 -1.9 -1.8 0.2 -0.9 -0.2 0.0 -3.9 -1.6 -0.1 -0.9 1995 -0.6 -0.7 -0.6 0.0 2.5 -1.8 0.7 0.9 0.5 -0.8 1.2 -2.7 RAPA ISLAND SEA LEVEL PRESS STANDARDIZED DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1951 0.1 -0.8 -1.4 -0.4 -1.9 -1.0 -0.7 -1.8 -0.9 -0.2 0.7 0.7 1952 -1.0 -0.2 0.6 0.0 0.0 1.3 0.7 -0.7 -1.8 0.0 0.0 -1.8 1953 0.9 -1.1 -0.4 -0.2 -0.8 -0.1 0.4 -1.8 0.8 0.9 2.0 0.1 1954 0.4 0.7 -0.6 -0.3 1.5 0.6 2.4 0.6 1.4 1.5 0.4 2.1 1955 0.4 0.1 0.8 -0.1 1.6 0.8 1.7 0.8 1.5 0.4 -0.2 1.6 1956 0.1 1.5 0.9 0.6 1.4 0.3 -0.4 -1.2 -0.9 1.2 -0.7 -0.7 1957 -0.7 -0.6 -0.7 0.6 -1.7 -0.2 -0.7 -1.0 -0.8 -0.8 -0.5 0.7 1958 -0.8 0.3 0.6 -0.2 0.4 -0.9 -1.8 0.8 -1.2 -1.2 -0.2 0.5 1959 -0.2 -0.8 0.4 -0.4 -1.8 0.2 0.3 0.2 0.2 -0.1 0.5 -0.4 1960 0.2 -0.9 -0.5 0.2 1.0 -1.2 1.5 0.6 1.0 0.4 0.0 -0.1 1961 0.4 1.2 -0.2 0.8 -1.4 0.1 0.0 0.0 1.0 -0.2 1.5 0.8 1962 1.9 -0.9 0.1 1.6 0.8 -0.3 0.9 0.9 0.1 0.7 -1.4 0.2 1963 1.2 1.4 -0.1 -0.3 0.2 -0.6 -0.3 -1.3 -1.3 -1.4 0.6 -0.3 1964 0.5 -0.5 1.7 0.7 -0.2 1.0 0.2 1.6 -0.1 -0.8 -0.8 -0.7 1965 -1.7 -0.8 -1.2 -0.5 0.7 -0.5 -2.1 -0.4 -0.7 0.4 -1.0 1.3 1966 -0.4 1.3 0.0 -0.8 -1.0 1.2 -0.4 0.1 -1.0 -0.3 -0.5 -0.3 1967 0.1 1.6 0.9 0.4 -0.4 1.3 0.6 1.7 0.9 0.2 0.3 -1.5 1968 -0.7 -0.5 0.1 -0.2 0.9 0.2 2.0 -1.9 -1.0 -1.0 -0.8 -0.9 1969 -2.2 -1.0 -0.2 0.1 -1.4 0.5 -0.4 0.9 0.0 -0.8 0.0 -0.3 1970 0.5 -1.4 0.4 0.1 1.4 1.2 0.5 0.6 1.4 0.5 0.2 1.3 1971 -0.8 0.8 0.3 1.3 -0.7 0.8 -1.1 1.7 1.2 0.6 -1.7 -1.1 1972 -1.2 0.2 -0.6 0.2 -1.2 -2.0 -1.8 -0.7 0.0 0.3 1.7 -0.5 1973 1.8 -0.2 0.2 -0.6 -0.4 1.7 0.7 2.4 1.6 1.8 0.3 1.2 1974 2.3 1.0 0.8 -0.1 1.0 -0.3 1.4 0.0 1.1 0.2 -0.7 -1.7 1975 -1.1 -0.2 0.7 0.0 -0.1 -0.7 2.0 1.8 2.2 1.7 0.0 1.1 1976 0.8 1.3 -0.2 -0.3 0.0 0.1 -1.8 -2.1 -3.3 -1.4 0.0 -0.9 1977 -1.2 0.1 -1.3 0.0 0.1 -1.5 -0.5 -1.4 -2.3 -0.8 -0.4 -0.2 1978 0.6 -2.0 0.7 0.1 1.2 -1.0 -0.9 0.1 0.3 -2.3 1.1 0.5 1979 -0.7 0.5 -0.8 -1.1 0.4 0.3 -1.3 -1.0 0.3 0.3 -0.7 0.2 1980 0.4 -0.3 -1.2 -1.1 0.5 -1.3 -1.0 0.6 0.2 0.3 0.2 -1.1 1981 0.4 0.2 -1.3 -0.2 -0.5 1.3 0.2 -0.8 -0.5 -1.0 0.2 0.6 1982 0.6 -0.2 -0.1 -1.2 -0.2 -2.5 -0.5 -1.6 -1.3 -2.2 -0.5 -1.0 1983 -1.7 -1.0 0.2 0.7 2.2 -1.1 1.3 0.0 1.2 0.8 1.0 -0.5 1984 -0.4 -0.9 -0.5 -0.2 0.5 -0.8 0.4 -0.4 -1.2 -1.6 0.3 0.2 1985 -0.3 0.8 -1.2 -0.8 -1.3 -1.8 0.2 0.7 -1.2 -0.8 -0.6 -1.3 1986 0.1 -1.8 -0.1 0.0 -0.2 -1.2 -0.3 -1.4 -1.7 -0.5 -0.9 -0.7 1987 -0.4 -2.0 -1.4 -0.2 0.4 -0.7 -2.2 -0.2 -2.2 0.2 -0.5 -0.2 1988 1.2 -0.6 -1.2 -0.1 1.8 0.3 1.2 1.3 1.9 0.2 0.1 0.1 1989 0.6 0.9 0.0 0.3 -0.4 1.0 -0.4 -2.1 0.4 0.3 0.3 -0.8 1990 0.4 -1.1 -0.5 -0.4 2.4 -1.3 -0.3 -1.9 -1.0 -0.3 -0.6 0.1 1991 0.2 -0.3 -2.2 -0.7 -1.8 -0.7 0.1 0.6 -1.9 -1.9 0.5 -1.0 1992 0.6 0.6 -1.2 -0.5 1.1 -1.8 0.9 -0.2 -1.4 -1.4 -1.3 -1.0 1993 -0.1 -2.2 -0.3 -0.9 0.2 1.8 0.6 -0.3 -0.1 -1.0 0.4 -0.2 1994 -0.2 0.0 -0.9 -0.9 0.1 -0.5 -0.1 0.0 -1.9 -0.8 -0.1 -0.4 1995 -0.3 -0.3 -0.3 0.0 1.2 -0.9 0.3 0.4 0.3 -0.4 0.6 -1.3